"""add totp_used_codes table for TOTP replay prevention

Revision ID: f6a7b8c9d0e1
Revises: e5f6a7b8c9d0
Create Date: 2026-05-17 00:00:00.000000

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

# revision identifiers, used by Alembic.
revision = 'f6a7b8c9d0e1'
down_revision = 'e5f6a7b8c9d0'
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        'totp_used_codes',
        sa.Column('id', mysql.INTEGER(unsigned=True), autoincrement=True, nullable=False),
        sa.Column('user_id', mysql.INTEGER(unsigned=True), nullable=False),
        sa.Column('code', sa.String(length=6), nullable=False),
        sa.Column('expires_at', sa.DateTime(), nullable=False),
        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('user_id', 'code', name='uq_totp_used_user_code'),
    )
    op.create_index('ix_totp_used_codes_user_id', 'totp_used_codes', ['user_id'])


def downgrade():
    op.drop_index('ix_totp_used_codes_user_id', table_name='totp_used_codes')
    op.drop_table('totp_used_codes')